Green corn stalks have high water content, and when operated with a guillotine, the stalks lose less juice and less sugar. If you use a grass kneader or crusher to break the green stalks, more juice is lost, resulting in nutrient loss.
Silage of corn stalks, operating with a guillotine, mastering the fineness of the grass joints, and operating in strict accordance with technical procedures, will retain the original nutrients of the green stalks, and the loss of very little.